Service manual
2-1
November 2001
Part No. 001-7240-001
OPERATION
SECTION 2 OPERATION
Figure 2-1 Top Panel Controls
2.1 FEATURES
2.1.1 GENERAL FEATURES
The following features are available in all oper-
ating modes (LTR-Net/LTR/conventional).
• Up to 16-100 systems programmable depending on
type (LTR-Net/LTR/conv) and number of groups in
each.
• Up to 99 groups programmable per system
• LTR-Net
™
, LTR
®
, and conventional operating
modes
• Unique 8-character system and group identification
tags
• System and group scanning
• User programmable system and group scan lists
• Menu mode to select functions
• Telephone mode for convenient number dialing
• Three programmable option switches
• Keypad lock (with and without password)
• Call indicator
• Time-out timer
• Receive-only groups
• Companding
2.1.2 LTR-NET FEATURES
The following features are available when an
LTR-Net system is selected.
• Roaming (automatic locality search)
• Special calls including telephone, unique ID, and
directed group
• Busy queuing of special calls by radio system
• Transmit inhibit
• Receive priority calls
• Standard group calls (mobile-to-mobile)
• Automatic registration/de-registration
2.1.3 LTR FEATURES
The following features are available when an
LTR system is selected.
• Standard group and telephone calls
• Transmit inhibit
• Receive priority calls
2.1.4 CONVENTIONAL FEATURES
• Busy indicator
• Talk-around
• User-adjustable squelch level
• Monitor mode
• Call Guard
®
squelch control
• Transmit disable on busy
NOTE: Programming determines the availability of
many of the preceding features.
Antenna Jac
k
On-Off/Volume
Microphone
Speake
r
Option
Switch 1
Accessor
y
Connecto
r










